The IDEC YW1S-33E40 Selector Switch is a compact, space-efficient solution for control operations. It features a 3-position interface with spring return two-way functionality and 4 Normally Open (NO) contacts. The switch's design includes a slim 10mm contact block for easy installation in tight spaces. Its lightweight construction and removable operator enhance user convenience, while the separate contact block simplifies both installation and removal processes. This selector switch is part of the YW series, known for its reliable performance in various industrial applications.